Lower gangway into place and （）safety net.

单项选择题We should hoist national flag （）.

A. on time
B. in time
C. soon
D. at times

单项选择题We should often （）the bow and stern of a ship.

A.inspects
B.inspecting
C.inspect
D.inspected

单项选择题They will （）out a more detailed inspection.

A. carried
B. carrying
C. to carry
D. carry

单项选择题I’ll （）the sheet carefully.

A. go after
B. go off
C. go through
D. go away

单项选择题They will（） against pirates and pilferage.

A. take place
B. take over
C. take measures
D. take up

单项选择题When we hoist national flag together with other flags, we should keep the national flag in the （）place.

A.centre
B.lower
C.A+B
D.A o rB

单项选择题We can’t hoist （）national flag.

A.clean
B.worn
C.beautiful
D.good

单项选择题The sailors should show the relevant （）by day.

A.ladders
B.flags
C.hands
D.lines

单项选择题You should （）the mooring lines according to the changes of draft.

A.adjusted
B.adjusting
C.adjustment
D.adjust

单项选择题Pay more attention to the rising and falling of （）.

A.tide
B.water
C.sea
D.wave